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公开(公告)号：US20230391693A1
公开(公告)日：2023-12-07
申请号：US18250620
申请日：2021-10-27
申请人： ARKEMA FRANCE
摘要： The present invention relates to a process for the production of trifluoroethylene in a reactor equipped with a fixed catalytic bed comprising a catalyst, said process comprising a stage a) of reaction of chlorotrifluoroethylene with hydrogen in the presence of the catalyst and in the gas phase in order to produce a stream comprising trifluoroethylene; said stage a) being carried out at a temperature of the fixed catalytic bed T1 of between 50° C. and 250° C.; said process being characterized in that, during stage a), the temperature of the fixed catalytic bed T1 is increased provided that it does not exceed 300° C.
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2.发明公开公开(公告)号：US20240246892A1
公开(公告)日：2024-07-25
申请号：US18564245
申请日：2022-06-03
申请人： ARKEMA FRANCE
发明人： Abdelatif BABA-AHMED , Alexandre CAMBRODON , Dominique GARRAIT , Thierry LANNUZEL , Cédric LAVY , Laurent WENDLINGER , Kevin HISLER
IPC分类号： C07C21/18
CPC分类号： C07C21/18
摘要： The present invention relates to an azeotropic or quasi-azeotropic composition comprising chlorotrifluoroethylene and at least one of the compounds selected from the group consisting of 1,1,2-trifluoroethane, 1,1-difluoroethane and a mixture of the two. The present invention also relates to an azeotropic or quasi-azeotropic composition comprising 1,1,2-trifluoroethane and at least one of the compounds selected from the group consisting of 2-chloro-1,1,1-trifluoroethane, 1-chloro-1,1,2-trifluoroethane and a mixture of the two.
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公开(公告)号：US20220153665A1
公开(公告)日：2022-05-19
申请号：US17600179
申请日：2020-04-01
申请人： ARKEMA FRANCE
IPC分类号： C07C17/395 , C07C17/20
摘要： The present invention relates to a process for purifying 1-chloro-3,3,3-trifluoropropene comprising the steps of: a) providing a stream comprising 1-chloro-3,3,3-trifluoropropene and at least one compound of formula HX wherein X is F or Cl; b) bringing the stream from step a) into contact with a solution A comprising at least one sulfite salt of formula Yn+mSO3 wherein Y is an alkali or alkaline-earth metal, n=1 or 2, and m=2 when n=1 or m=1 when n=2; in order to form a neutralized stream A1 comprising 1-chloro-3,3,3-trifluoropropene.
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公开(公告)号：US20220204428A1
公开(公告)日：2022-06-30
申请号：US17600200
申请日：2020-04-01
申请人： ARKEMA FRANCE
发明人： Emmanuel BOUSSARIE , Kevin HISLER , Anne PIGAMO
IPC分类号： C07C17/20 , C07C17/395
摘要： The present invention relates to a process for neutralizing a composition A comprising 1-chloro-3,3,3-trifluoropropene, 1,1-dichloro-1,3,3-trifluoropropane and one or more acid compound(s) of formula HX with X═F or Cl; said process comprising the step a) of bringing said composition A into contact with a solution B under conditions capable of limiting the formation of 1-chloro-1,3,3-trifluoropropene.
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公开(公告)号：US20230391694A1
公开(公告)日：2023-12-07
申请号：US18250993
申请日：2021-10-27
申请人： ARKEMA FRANCE
摘要： A process for the production of trifluoroethylene in a reactor provided with a catalytic bed including a catalyst, the process including: i) a step of activating the catalyst, including bringing it into contact with a gaseous stream including a reducing agent, an inert gas or a mixture thereof; and ii) a step of reacting chlorotrifluoroethylene with hydrogen in the presence of the catalyst activated in step i) and in the gas phase in order to produce a stream including trifluoroethylene; wherein during said step i), the temperature of the catalytic bed is increased from a temperature T1 to a temperature T2 that is greater than T1, with a temperature gradient of less than 0.5° C./min.
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公开(公告)号：US20160230078A1
公开(公告)日：2016-08-11
申请号：US15023572
申请日：2014-09-23
申请人： ARKEMA FRANCE
发明人： Tong Eak POU , Denis ALONZO , Gilles BARRETO , Kevin HISLER
IPC分类号： C09K8/54
CPC分类号： C09K8/54 , C23F11/161 , C23F11/165
摘要： The present invention concerns the use of at least one compound A comprising at least one —SH or —S−, M+ group, at least one —C-G-C— chain, in which G represents an atom from column 16 of the periodic table, not comprising a carboxy group —C(═O)—OH or —C(═O)—O−, and of a molar mass of between 90 g·mol−1 and 1000 g·mol−1, as an additive in a formulation inhibiting corrosion in metals used in the oil industry, and more generally in any kind of industry involving the drilling of ores or fossil compounds, such as gas or oil, in order to improve both the anti-corrosion performance and the storage stability of same. The invention also concerns said corrosion-inhibiting formulations comprising at least one compound A.
摘要翻译： 本发明涉及至少一种包含至少一种-SH或-S-，M +基团，至少一个-CGC-链的化合物A，其中G表示周期表第16列的原子，不包括 羧基-C（= O）-OH或-C（= O）-O-，摩尔质量为90g·mol-1〜1000g·mol-1，作为抑制剂的添加剂 在石油工业中使用的金属中的腐蚀，以及更普遍地涉及钻井矿石或化石化合物（例如气体或油）的任何类型的工业中，以提高其抗腐蚀性能和储存稳定性。 本发明还涉及包含至少一种化合物A的所述腐蚀抑制制剂。
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7.发明公开公开(公告)号：US20240246891A1
公开(公告)日：2024-07-25
申请号：US18564332
申请日：2022-06-03
申请人： ARKEMA FRANCE
IPC分类号： C07C17/25 , B01D3/36 , B01J21/04 , B01J23/44 , C07C17/386
CPC分类号： C07C17/25 , B01D3/36 , B01J21/04 , B01J23/44 , C07C17/386
摘要： The present invention relates to a process for producing trifluoroethylene in a reactor provided with a fixed catalytic bed comprising a catalyst, said process comprising the steps of: a) reacting chlorotrifluoroethylene with hydrogen in the presence of the catalyst and in the gas phase to produce a stream A comprising trifluoroethylene; b) treating said stream A under conditions sufficient to produce a stream D1 comprising 1,1,2-trifluoroethane in a content of less than 15% by weight on the basis of the total weight of said stream D1, c) recycling stream D1 to step a).
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公开(公告)号：US20210261485A1
公开(公告)日：2021-08-26
申请号：US17251328
申请日：2019-06-21
申请人： Arkema France
IPC分类号： C07C17/20
摘要： The present invention relates to a process for producing 1-chloro-3,3,3-trifluoropropene (HCFO-1233zd), comprising: i) providing a stream A1 comprising HF, a stream A2 comprising 1,1,3,3-tetrachloropropene and/or 1,3,3,3-tetrachloropropene, and a reactor containing a liquid phase, ii) in said reactor, contacting, in said liquid phase, said stream Al comprising HF with said stream A2 comprising 1,1,3,3-tetrachloropropene and/or 1,3,3,3-tetrachloropropene under conditions which are sufficient to produce a stream C comprising 1-chloro-3,3,3-trifluoropropene, HF and HCl, iii) recovering said stream C, characterized in that said reactor is provided with means for stirring said liquid phase so as to keep the temperature of said liquid phase substantially constant during step ii).
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